Originally Posted by
ala_xfire
If both inside and outside edges are worn down, but not the middle, then your air pressure is too low.
Agreed - This wear pattern is a "dead give-away" to low tire pressure. If you're running the factory recommended pressure, you'll probably get this tire wear. Strictly a matter of grip vs. wear.
I've got 36 psig in all my tires, and quite a few Crossfire Owners run similar pressures (35-37 psig).